A burning sensation can be descriptive of nerve pain, some variations of migraine, and even central brain problems after a stroke. Have heard this said associated with phantom limb syndrome, reflex sympatheric dystrophy, and trigeminal neuralgia. Other patients might say sharp or needle like.
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4

It depends:
The pelvic area is from navel to upper thighs. Are you saying lower abdomen or lower back/sacral area; deep or on the skin? Contact dermatitis may be one cause due to detergent or fabric softener in your panties or some other chemicals in that area. If it is not painful to press on lower belly, move the hips or lower back, bend or extend, then not likely internal or spine/joint related.
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6

Could be sign of:
infection or pregnancy, or skin condition. Most common thing is urinary tract infection in a young female, but pregnancy is a close second. You may have vaginal infection or inflammation of the female genital system or bladder as well. Please see a healthcare provider for proper examination and diagnosis. Thanks for trusting in HealthTap.
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9

Get to a Urologist:
Those problems could represent impingement of a nerve or richly-innervated structure in the groin. A urologist would be a good start to rule out bad things. While you're waiting for the appointment, you could read online how to do a male self-examination to exclude any anatomical abnormalities. Good luck, and feel better soon!
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